Service difficulty report · Computer · Boeing 7379

Difficulty date
January 9, 2023
Submitted
January 10, 2023
Operation
Air carrier
Aircraft
N978AK
Make and model
Boeing 7379
Aircraft serial
43348
Aircraft time
1,809 hours, 523 cycles
Part
Computer
Part number
8221604102
Part serial
4L03PH
Condition
Faulted
Location
E/E Bay
Part time
1,806 hours, 522 cycles
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

WHILE CONDUCTING LLM TRAINING DISCOVERED A/T BITE TEST INOP. UNABLE TO ACCESS DFCS BITE EITHER. SUSPECT FCC A NOT RESPONDING. GROUNDED - YES. REMOVED FCC A PER B737-9 AMM TASK 22-11-33-000-801.INSTALLED FCC A. PERFORMED GOOD INSTALLATION TEST. ACCOMPLISHED ALL REQUIRED LLM MAINTENANCE TEST PASS. REF AMM 22-11-33-400-801.

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